Inefficient Regular Expression Complexity in Loofah
CVE-2022-23514

7.5HIGH

Key Information:

Vendor: Flavorjones
Status: Loofah
Vendor: CVE Published:; 14 December 2022

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What is CVE-2022-23514?

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1.